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Finding the Fourth Proportional to 284,812.92, 393,212.37 and 177,528.27

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Solution

The fourth proportional to 284,812.92, 393,212.37 and 177,528.27 is: 245,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,812.92 : 393,212.37 = 177,528.27 : x
  2. Step 2: Convert to fraction form
    284,812.92/393,212.37 = 177,528.27/x
  3. Step 3: Cross multiply
    284,812.92x = 393,212.37 × 177,528.27
  4. Step 4: Simplify right side
    284,812.92x = 69,806,311,788.70
  5. Step 5: Solve for x
    x = 69,806,311,788.70/284,812.92
  6. Step 6: Final answer
    x = 245,095.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.